WordNet sense 1 (capable of being moved or conveyed from one place to another):

movable, moveable, transportable, transferrable

WordNet sense 2 (moving or capable of moving readily (especially from place to place)):

mobile, mobile

WordNet sense 3 (legally transferable to the ownership of another):

assignable, conveyable, negotiable

WordNet sense 4 (transferable to another owner):

alienable